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1.1 ! root 1: /* Definitions of target machine for GNU compiler. ! 2: SysV68 Motorola 3300 Delta Series ! 3: ! 4: Written by Abramo and Roberto Bagnara ! 5: after Alex Crain's 3B1 definitions. ! 6: ! 7: Bug reports to [email protected] ! 8: ! 9: Copyright (C) 1987 Free Software Foundation, Inc. ! 10: ! 11: This file is part of GNU CC. ! 12: ! 13: GNU CC is free software; you can redistribute it and/or modify ! 14: it under the terms of the GNU General Public License as published by ! 15: the Free Software Foundation; either version 2, or (at your option) ! 16: any later version. ! 17: ! 18: GNU CC is distributed in the hope that it will be useful, ! 19: but WITHOUT ANY WARRANTY; without even the implied warranty of ! 20: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ! 21: GNU General Public License for more details. ! 22: ! 23: You should have received a copy of the GNU General Public License ! 24: along with GNU CC; see the file COPYING. If not, write to ! 25: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ ! 26: ! 27: #define MOTOROLA /* Use Motorola syntax rather than "MIT" */ ! 28: #define SGS /* Uses SGS assembler */ ! 29: #define SGS_CMP_ORDER /* Takes cmp operands in reverse order */ ! 30: #define SGS_SWAP_W /* Use swap.w rather than just plain swap */ ! 31: #define SGS_SWITCH_TABLES /* Different switch table handling */ ! 32: ! 33: #define NO_DOLLAR_IN_LABEL ! 34: #define NO_DOT_IN_LABEL ! 35: ! 36: #include "m68k/m68k.h" ! 37: ! 38: /* See m68k.h. 7 means 68020 with 68881. */ ! 39: ! 40: #ifndef TARGET_DEFAULT ! 41: #define TARGET_DEFAULT 7 ! 42: #endif ! 43: ! 44: /* NYI: FP= is equivalent to -msoft-float */ ! 45: ! 46: /* We use /lib/libp/lib* when profiling. */ ! 47: ! 48: /* NYI: if FP=M68881U library is -lc881u */ ! 49: /* NYI: if FP= library is -lc. */ ! 50: /* Default for us: FP=M68881 library is -lc881 */ ! 51: #undef LIB_SPEC ! 52: #define LIB_SPEC "%{!shlib:%{p:-L/usr/lib/libp} %{pg:-L/usr/lib/libp} -lc881}" ! 53: ! 54: #define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__}" ! 55: ! 56: /* Shared libraries need to use crt0s.o */ ! 57: ! 58: #undef STARTFILE_SPEC ! 59: #define STARTFILE_SPEC \ ! 60: "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\ ! 61: %{shlib:crt0s.o%s shlib.ifile%s} " ! 62: ! 63: /* Generate calls to memcpy, memcmp and memset. */ ! 64: ! 65: #define TARGET_MEM_FUNCTIONS ! 66: ! 67: /* size_t is unsigned int. */ ! 68: ! 69: #define SIZE_TYPE "unsigned int" ! 70: ! 71: /* Every structure or union's size must be a multiple of 2 bytes. */ ! 72: ! 73: #define STRUCTURE_SIZE_BOUNDARY 16 ! 74: ! 75: /* cpp has to support a #sccs directive for the /usr/include files */ ! 76: ! 77: #define SCCS_DIRECTIVE ! 78: ! 79: /* Make output for SDB. */ ! 80: ! 81: #define SDB_DEBUGGING_INFO ! 82: ! 83: #undef REGISTER_NAMES ! 84: #define REGISTER_NAMES \ ! 85: {"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \ ! 86: "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp", \ ! 87: "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7"} ! 88: ! 89: #undef FUNCTION_PROLOGUE ! 90: #define FUNCTION_PROLOGUE(FILE, SIZE) \ ! 91: { register int regno; \ ! 92: register int mask = 0; \ ! 93: extern char call_used_regs[]; \ ! 94: int fsize = (SIZE); \ ! 95: if (frame_pointer_needed) \ ! 96: { if (fsize < 0x8000) \ ! 97: fprintf (FILE, "\tlink.w %%fp,&%d\n", -fsize); \ ! 98: else if (TARGET_68020) \ ! 99: fprintf (FILE, "\tlink.l %%fp,&%d\n", -fsize); \ ! 100: else \ ! 101: fprintf (FILE, "\tlink.w %%fp,&0\n\tsub.l &%d,%%sp\n", fsize); } \ ! 102: for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \ ! 103: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 104: mask |= 1 << (regno - 16); \ ! 105: if (mask != 0) \ ! 106: fprintf (FILE, "\tfmovem &0x%x,-(%%sp)\n", mask & 0xff); \ ! 107: mask = 0; \ ! 108: for (regno = 0; regno < 16; regno++) \ ! 109: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 110: mask |= 1 << (15 - regno); \ ! 111: if (frame_pointer_needed) \ ! 112: mask &= ~ (1 << (15-FRAME_POINTER_REGNUM)); \ ! 113: if (exact_log2 (mask) >= 0) \ ! 114: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[15 - exact_log2 (mask)]); \ ! 115: else if (mask) fprintf (FILE, "\tmovm.l &0x%x,-(%%sp)\n", mask); } ! 116: ! 117: #undef FUNCTION_PROFILER ! 118: #define FUNCTION_PROFILER(FILE, LABEL_NO) \ ! 119: fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount%%\n", (LABEL_NO)) ! 120: ! 121: #undef FUNCTION_EPILOGUE ! 122: #define FUNCTION_EPILOGUE(FILE, SIZE) \ ! 123: { register int regno; \ ! 124: register int mask, fmask; \ ! 125: register int nregs; \ ! 126: int offset, foffset; \ ! 127: extern char call_used_regs[]; \ ! 128: int fsize = (SIZE); \ ! 129: int big = 0; \ ! 130: nregs = 0; fmask = 0; \ ! 131: for (regno = 16; regno < FIRST_PSEUDO_REGISTER; regno++) \ ! 132: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 133: { nregs++; fmask |= 1 << (23 - regno); } \ ! 134: foffset = nregs * 12; \ ! 135: nregs = 0; mask = 0; \ ! 136: if (frame_pointer_needed) regs_ever_live[FRAME_POINTER_REGNUM] = 0; \ ! 137: for (regno = 0; regno < 16; regno++) \ ! 138: if (regs_ever_live[regno] && ! call_used_regs[regno]) \ ! 139: { nregs++; mask |= 1 << regno; } \ ! 140: offset = foffset + nregs * 4; \ ! 141: if (offset + fsize >= 0x8000 && frame_pointer_needed) \ ! 142: { fprintf (FILE, "\tmov.l &%d,%%a0\n", -fsize); \ ! 143: fsize = 0, big = 1; } \ ! 144: if (exact_log2 (mask) >= 0) { \ ! 145: if (big) \ ! 146: fprintf (FILE, "\tmov.l -%d(%%fp,%%a0.l),%s\n", \ ! 147: offset + fsize, reg_names[exact_log2 (mask)]); \ ! 148: else if (! frame_pointer_needed) \ ! 149: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", \ ! 150: reg_names[exact_log2 (mask)]); \ ! 151: else \ ! 152: fprintf (FILE, "\tmov.l -%d(%%fp),%s\n", \ ! 153: offset + fsize, reg_names[exact_log2 (mask)]); } \ ! 154: else if (mask) { \ ! 155: if (big) \ ! 156: fprintf (FILE, "\tmovm.l -%d(%%fp,%%a0.l),&0x%x\n", \ ! 157: offset + fsize, mask); \ ! 158: else if (! frame_pointer_needed) \ ! 159: fprintf (FILE, "\tmovm.l (%%sp)+,&0x%x\n", mask); \ ! 160: else \ ! 161: fprintf (FILE, "\tmovm.l -%d(%%fp),&0x%x\n", \ ! 162: offset + fsize, mask); } \ ! 163: if (fmask) { \ ! 164: if (big) \ ! 165: fprintf (FILE, "\tfmovem -%d(%%fp,%%a0.l),&0x%x\n", \ ! 166: foffset + fsize, fmask); \ ! 167: else if (! frame_pointer_needed) \ ! 168: fprintf (FILE, "\tfmovem (%%sp)+,&0x%x\n", fmask); \ ! 169: else \ ! 170: fprintf (FILE, "\tfmovem -%d(%%fp),&0x%x\n", \ ! 171: foffset + fsize, fmask); } \ ! 172: if (frame_pointer_needed) \ ! 173: fprintf (FILE, "\tunlk %%fp\n"); \ ! 174: if (current_function_pops_args) \ ! 175: fprintf (FILE, "\trtd &%d\n", current_function_pops_args); \ ! 176: else fprintf (FILE, "\trts\n"); } ! 177: ! 178: /* This is how to output an insn to push a register on the stack. ! 179: It need not be very fast code. */ ! 180: ! 181: #undef ASM_OUTPUT_REG_PUSH ! 182: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \ ! 183: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[REGNO]) ! 184: ! 185: /* This is how to output an insn to pop a register from the stack. ! 186: It need not be very fast code. */ ! 187: ! 188: #undef ASM_OUTPUT_REG_POP ! 189: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \ ! 190: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO]) ! 191: ! 192: #undef ASM_APP_ON ! 193: #define ASM_APP_ON "" ! 194: ! 195: #undef ASM_APP_OFF ! 196: #define ASM_APP_OFF "" ! 197: ! 198: #undef TEXT_SECTION_ASM_OP ! 199: #define TEXT_SECTION_ASM_OP "text" ! 200: #undef DATA_SECTION_ASM_OP ! 201: #define DATA_SECTION_ASM_OP "data" ! 202: #undef ASCII_DATA_ASM_OP ! 203: #define ASCII_DATA_ASM_OP "byte" ! 204: ! 205: /* The file command should always begin the output. */ ! 206: ! 207: #undef ASM_FILE_START ! 208: #define ASM_FILE_START(FILE) \ ! 209: output_file_directive ((FILE), main_input_filename) ! 210: ! 211: /* Don't try to define `gcc_compiled.' since the assembler might not ! 212: accept symbols with periods and GDB doesn't run on this machine anyway. */ ! 213: ! 214: #define ASM_IDENTIFY_GCC(FILE) ! 215: ! 216: /* Names to predefine in the preprocessor for this target machine. */ ! 217: /* [email protected] says mc68000 and m68k should not be here, ! 218: on the other hand I don't care what he says. */ ! 219: ! 220: #undef CPP_PREDEFINES ! 221: #define CPP_PREDEFINES "-Dm68k -Dunix -DsysV68" ! 222: ! 223: /* Specify how to pad function arguments. ! 224: Value should be `upward', `downward' or `none'. ! 225: Same as the default, except no padding for large or variable-size args. */ ! 226: ! 227: #define FUNCTION_ARG_PADDING(MODE, TYPE) \ ! 228: (((MODE) == BLKmode \ ! 229: ? ((TYPE) && TREE_CODE (TYPE_SIZE (TYPE)) == INTEGER_CST \ ! 230: && int_size_in_bytes (TYPE) < PARM_BOUNDARY / BITS_PER_UNIT) \ ! 231: : GET_MODE_BITSIZE (MODE) < PARM_BOUNDARY) \ ! 232: ? downward : none) ! 233: ! 234: /* Override part of the obstack macros. */ ! 235: ! 236: #define __PTR_TO_INT(P) ((int)(P)) ! 237: #define __INT_TO_PTR(P) ((char *)(P)) ! 238: ! 239: #undef TARGET_VERSION ! 240: #define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T sysV68 syntax)"); ! 241: ! 242: /* Function calls save all but a0, a1, d0, d1, fp0, fp1. */ ! 243: ! 244: #undef CALL_USED_REGISTERS ! 245: #define CALL_USED_REGISTERS \ ! 246: {1, 1, 0, 0, 0, 0, 0, 0, \ ! 247: 1, 1, 0, 0, 0, 0, 0, 1, \ ! 248: 1, 1, 0, 0, 0, 0, 0, 0} ! 249: ! 250: /* If TARGET_68881, return SF and DF values in fp0 instead of d0. */ ! 251: /* NYI: If FP=M68881U return SF and DF values in d0. */ ! 252: /* NYI: If -mold return pointer in a0 and d0 */ ! 253: ! 254: #undef FUNCTION_VALUE ! 255: #define FUNCTION_VALUE(VALTYPE,FUNC) LIBCALL_VALUE (TYPE_MODE (VALTYPE)) ! 256: ! 257: /* sysV68 (brain damaged) cc convention support. */ ! 258: /* Commented out until we find a safe way to make it optional. */ ! 259: #if 0 ! 260: #define FUNCTION_VALUE(VALTYPE,FUNC) \ ! 261: (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881 \ ! 262: ? gen_rtx (REG, TYPE_MODE (VALTYPE), 16) \ ! 263: : (TREE_CODE (VALTYPE) == POINTER_TYPE \ ! 264: ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8) \ ! 265: : gen_rtx (REG, TYPE_MODE (VALTYPE), 0))) ! 266: #endif ! 267: ! 268: /* If TARGET_68881, SF and DF values are returned in fp0 instead of d0. */ ! 269: ! 270: #undef LIBCALL_VALUE ! 271: #define LIBCALL_VALUE(MODE) \ ! 272: gen_rtx (REG, (MODE), \ ! 273: ((TARGET_68881 \ ! 274: && ((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode)) \ ! 275: ? 16 : 0)) ! 276: ! 277: /* 1 if N is a possible register number for a function value. ! 278: d0 may be used, and fp0 as well if -msoft-float is not specified. */ ! 279: ! 280: #undef FUNCTION_VALUE_REGNO_P ! 281: #define FUNCTION_VALUE_REGNO_P(N) \ ! 282: ((N) == 0 || (TARGET_68881 && (N) == 16)) ! 283: ! 284: /* sysV68 (brain damaged) cc convention support. */ ! 285: /* Commented out until we find a safe way to make it optional. */ ! 286: #if 0 ! 287: #define FUNCTION_VALUE_REGNO_P(N) \ ! 288: ((N) == 0 || (N) == 8 || (TARGET_68881 && (N) == 16)) ! 289: #endif ! 290: ! 291: /* Define this to be true when FUNCTION_VALUE_REGNO_P is true for ! 292: more than one register. */ ! 293: ! 294: #undef NEEDS_UNTYPED_CALL ! 295: #define NEEDS_UNTYPED_CALL 1 ! 296: ! 297: /* This is the command to make the user-level label named NAME ! 298: defined for reference from other files. */ ! 299: ! 300: #undef GLOBAL_ASM_OP ! 301: #define GLOBAL_ASM_OP "global" ! 302: ! 303: /* Store in OUTPUT a string (made with alloca) containing ! 304: an assembler-name for a local static variable named NAME. ! 305: LABELNO is an integer which is different for each call. */ ! 306: ! 307: #undef ASM_FORMAT_PRIVATE_NAME ! 308: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ ! 309: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12), \ ! 310: sprintf ((OUTPUT), "%s_%%%d", (NAME), (LABELNO))) ! 311: ! 312: /* The sysV68 as doesn't know about double's and float's. */ ! 313: /* This is how to output an assembler line defining a `double' constant. */ ! 314: ! 315: #undef ASM_OUTPUT_DOUBLE ! 316: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \ ! 317: do { long l[2]; \ ! 318: REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \ ! 319: fprintf (FILE, "\tlong 0x%x,0x%x\n", l[0], l[1]); \ ! 320: } while (0) ! 321: ! 322: #undef ASM_OUTPUT_LONG_DOUBLE ! 323: #define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \ ! 324: do { long l[3]; \ ! 325: REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \ ! 326: fprintf (FILE, "\tlong 0x%x,0x%x,0x%x\n", l[0], l[1], l[2]); \ ! 327: } while (0) ! 328: ! 329: /* This is how to output an assembler line defining a `float' constant. */ ! 330: ! 331: #undef ASM_OUTPUT_FLOAT ! 332: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \ ! 333: do { long l; \ ! 334: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \ ! 335: fprintf ((FILE), "\tlong 0x%x\n", l); \ ! 336: } while (0) ! 337: ! 338: /* This is how to output an assembler line defining an `int' constant. */ ! 339: ! 340: #undef ASM_OUTPUT_INT ! 341: #define ASM_OUTPUT_INT(FILE,VALUE) \ ! 342: ( fprintf (FILE, "\tlong "), \ ! 343: output_addr_const (FILE, (VALUE)), \ ! 344: fprintf (FILE, "\n")) ! 345: ! 346: /* Likewise for `char' and `short' constants. */ ! 347: ! 348: #undef ASM_OUTPUT_SHORT ! 349: #define ASM_OUTPUT_SHORT(FILE,VALUE) \ ! 350: ( fprintf (FILE, "\tshort "), \ ! 351: output_addr_const (FILE, (VALUE)), \ ! 352: fprintf (FILE, "\n")) ! 353: ! 354: #undef ASM_OUTPUT_CHAR ! 355: #define ASM_OUTPUT_CHAR(FILE,VALUE) \ ! 356: ( fprintf (FILE, "\tbyte "), \ ! 357: output_addr_const (FILE, (VALUE)), \ ! 358: fprintf (FILE, "\n")) ! 359: ! 360: /* This is how to output an assembler line for a numeric constant byte. */ ! 361: ! 362: #undef ASM_OUTPUT_BYTE ! 363: #define ASM_OUTPUT_BYTE(FILE,VALUE) \ ! 364: fprintf (FILE, "\tbyte 0x%x\n", (VALUE)) ! 365: ! 366: /* This is how to output an assembler line ! 367: that says to advance the location counter ! 368: to a multiple of 2**LOG bytes. */ ! 369: ! 370: #undef ASM_OUTPUT_ALIGN ! 371: #define ASM_OUTPUT_ALIGN(FILE,LOG) \ ! 372: if ((LOG) == 1) \ ! 373: fprintf (FILE, "\teven\n"); \ ! 374: else if ((LOG) != 0) \ ! 375: abort (); ! 376: ! 377: #undef ASM_OUTPUT_SKIP ! 378: #define ASM_OUTPUT_SKIP(FILE,SIZE) \ ! 379: fprintf (FILE, "\tspace %u\n", (SIZE)) ! 380: ! 381: /* Can't use ASM_OUTPUT_SKIP in text section. */ ! 382: ! 383: #define ASM_NO_SKIP_IN_TEXT 1 ! 384: ! 385: /* The beginnings of sdb support... */ ! 386: ! 387: #undef ASM_OUTPUT_SOURCE_FILENAME ! 388: #define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \ ! 389: fprintf (FILE, "\tfile\t\"%s\"\n", FILENAME) ! 390: ! 391: #undef ASM_OUTPUT_SOURCE_LINE ! 392: #define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \ ! 393: fprintf (FILE, "\tln\t%d\n", \ ! 394: (sdb_begin_function_line \ ! 395: ? last_linenum - sdb_begin_function_line : 1)) ! 396: ! 397: /* Yet another null terminated string format. */ ! 398: ! 399: #undef ASM_OUTPUT_ASCII ! 400: #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \ ! 401: { register int sp = 0, lp = 0; \ ! 402: fprintf ((FILE), "\tbyte\t"); \ ! 403: loop: \ ! 404: if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \ ! 405: { lp += 3; \ ! 406: fprintf ((FILE), "'%c", (PTR)[sp]); } \ ! 407: else \ ! 408: { lp += 5; \ ! 409: fprintf ((FILE), "0x%x", (PTR)[sp]); } \ ! 410: if (++sp < (LEN)) \ ! 411: { if (lp > 60) \ ! 412: { lp = 0; \ ! 413: fprintf ((FILE), "\n\t%s ", ASCII_DATA_ASM_OP); } \ ! 414: else \ ! 415: putc (',', (FILE)); \ ! 416: goto loop; } \ ! 417: putc ('\n', (FILE)); } ! 418: ! 419: /* Print operand X (an rtx) in assembler syntax to file FILE. ! 420: CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified. ! 421: For `%' followed by punctuation, CODE is the punctuation and X is null. ! 422: ! 423: On the 68000, we use several CODE characters: ! 424: '.' for dot needed in Motorola-style opcode names. ! 425: '-' for an operand pushing on the stack: ! 426: sp@-, -(sp) or -(%sp) depending on the style of syntax. ! 427: '+' for an operand pushing on the stack: ! 428: sp@+, (sp)+ or (%sp)+ depending on the style of syntax. ! 429: '@' for a reference to the top word on the stack: ! 430: sp@, (sp) or (%sp) depending on the style of syntax. ! 431: '#' for an immediate operand prefix (# in MIT and Motorola syntax ! 432: but & in SGS syntax). ! 433: '!' for the fpcr register (used in some float-to-fixed conversions). ! 434: '$' for the letter `s' in an op code, but only on the 68040. ! 435: '&' for the letter `d' in an op code, but only on the 68040. ! 436: ! 437: 'b' for byte insn (no effect, on the Sun; this is for the ISI). ! 438: 'd' to force memory addressing to be absolute, not relative. ! 439: 'f' for float insn (print a CONST_DOUBLE as a float rather than in hex) ! 440: 'w' for FPA insn (print a CONST_DOUBLE as a SunFPA constant rather ! 441: than directly). Second part of 'y' below. ! 442: 'x' for float insn (print a CONST_DOUBLE as a float rather than in hex), ! 443: or print pair of registers as rx:ry. ! 444: 'y' for a FPA insn (print pair of registers as rx:ry). This also outputs ! 445: CONST_DOUBLE's as SunFPA constant RAM registers if ! 446: possible, so it should not be used except for the SunFPA. */ ! 447: ! 448: #undef PRINT_OPERAND ! 449: #define PRINT_OPERAND(FILE, X, CODE) \ ! 450: { if (CODE == '.') fprintf (FILE, "."); \ ! 451: else if (CODE == '#') fprintf (FILE, "&"); \ ! 452: else if (CODE == '-') fprintf (FILE, "-(%%sp)"); \ ! 453: else if (CODE == '+') fprintf (FILE, "(%%sp)+"); \ ! 454: else if (CODE == '@') fprintf (FILE, "(%%sp)"); \ ! 455: else if (CODE == '!') fprintf (FILE, "%%fpcr"); \ ! 456: else if (CODE == '$') { if (TARGET_68040_ONLY) fprintf (FILE, "s"); } \ ! 457: else if (CODE == '&') { if (TARGET_68040_ONLY) fprintf (FILE, "d"); } \ ! 458: else if (CODE == '/') \ ! 459: fprintf (FILE, "%%"); \ ! 460: else if (GET_CODE (X) == REG) \ ! 461: fprintf (FILE, "%s", reg_names[REGNO (X)]); \ ! 462: else if (GET_CODE (X) == MEM) \ ! 463: output_address (XEXP (X, 0)); \ ! 464: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \ ! 465: { REAL_VALUE_TYPE r; long l; \ ! 466: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ ! 467: REAL_VALUE_TO_TARGET_SINGLE (r, l); \ ! 468: /* Use hex representation even if CODE is f. as needs it. */ \ ! 469: fprintf (FILE, "&0x%x", l); } \ ! 470: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \ ! 471: { REAL_VALUE_TYPE r; int i[2]; \ ! 472: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ ! 473: REAL_VALUE_TO_TARGET_DOUBLE (r, i); \ ! 474: fprintf (FILE, "&0x%08x%08x", i[0], i[1]); } \ ! 475: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == XFmode) \ ! 476: { REAL_VALUE_TYPE r; \ ! 477: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \ ! 478: ASM_OUTPUT_LONG_DOUBLE_OPERAND (FILE, r); } \ ! 479: else { putc ('&', FILE); output_addr_const (FILE, X); }} ! 480: ! 481: #undef PRINT_OPERAND_ADDRESS ! 482: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \ ! 483: { register rtx reg1, reg2, breg, ireg; \ ! 484: register rtx addr = ADDR; \ ! 485: rtx offset; \ ! 486: switch (GET_CODE (addr)) \ ! 487: { \ ! 488: case REG: \ ! 489: fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \ ! 490: break; \ ! 491: case PRE_DEC: \ ! 492: fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \ ! 493: break; \ ! 494: case POST_INC: \ ! 495: fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \ ! 496: break; \ ! 497: case PLUS: \ ! 498: reg1 = 0; reg2 = 0; \ ! 499: ireg = 0; breg = 0; \ ! 500: offset = 0; \ ! 501: if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \ ! 502: { \ ! 503: offset = XEXP (addr, 0); \ ! 504: addr = XEXP (addr, 1); \ ! 505: } \ ! 506: else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \ ! 507: { \ ! 508: offset = XEXP (addr, 1); \ ! 509: addr = XEXP (addr, 0); \ ! 510: } \ ! 511: if (GET_CODE (addr) != PLUS) ; \ ! 512: else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \ ! 513: { \ ! 514: reg1 = XEXP (addr, 0); \ ! 515: addr = XEXP (addr, 1); \ ! 516: } \ ! 517: else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \ ! 518: { \ ! 519: reg1 = XEXP (addr, 1); \ ! 520: addr = XEXP (addr, 0); \ ! 521: } \ ! 522: else if (GET_CODE (XEXP (addr, 0)) == MULT) \ ! 523: { \ ! 524: reg1 = XEXP (addr, 0); \ ! 525: addr = XEXP (addr, 1); \ ! 526: } \ ! 527: else if (GET_CODE (XEXP (addr, 1)) == MULT) \ ! 528: { \ ! 529: reg1 = XEXP (addr, 1); \ ! 530: addr = XEXP (addr, 0); \ ! 531: } \ ! 532: else if (GET_CODE (XEXP (addr, 0)) == REG) \ ! 533: { \ ! 534: reg1 = XEXP (addr, 0); \ ! 535: addr = XEXP (addr, 1); \ ! 536: } \ ! 537: else if (GET_CODE (XEXP (addr, 1)) == REG) \ ! 538: { \ ! 539: reg1 = XEXP (addr, 1); \ ! 540: addr = XEXP (addr, 0); \ ! 541: } \ ! 542: if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \ ! 543: || GET_CODE (addr) == SIGN_EXTEND) \ ! 544: { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \ ! 545: /* for OLD_INDEXING \ ! 546: else if (GET_CODE (addr) == PLUS) \ ! 547: { \ ! 548: if (GET_CODE (XEXP (addr, 0)) == REG) \ ! 549: { \ ! 550: reg2 = XEXP (addr, 0); \ ! 551: addr = XEXP (addr, 1); \ ! 552: } \ ! 553: else if (GET_CODE (XEXP (addr, 1)) == REG) \ ! 554: { \ ! 555: reg2 = XEXP (addr, 1); \ ! 556: addr = XEXP (addr, 0); \ ! 557: } \ ! 558: } \ ! 559: */ \ ! 560: if (offset != 0) { if (addr != 0) abort (); addr = offset; } \ ! 561: if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \ ! 562: || GET_CODE (reg1) == MULT)) \ ! 563: || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \ ! 564: { breg = reg2; ireg = reg1; } \ ! 565: else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \ ! 566: { breg = reg1; ireg = reg2; } \ ! 567: if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \ ! 568: { int scale = 1; \ ! 569: if (GET_CODE (ireg) == MULT) \ ! 570: { scale = INTVAL (XEXP (ireg, 1)); \ ! 571: ireg = XEXP (ireg, 0); } \ ! 572: if (GET_CODE (ireg) == SIGN_EXTEND) \ ! 573: fprintf (FILE, "12(%%pc,%s.w", \ ! 574: reg_names[REGNO (XEXP (ireg, 0))]); \ ! 575: else \ ! 576: fprintf (FILE, "12(%%pc,%s.l", \ ! 577: reg_names[REGNO (ireg)]); \ ! 578: if (scale != 1) fprintf (FILE, "*%d", scale); \ ! 579: fprintf (FILE, ")"); \ ! 580: break; } \ ! 581: if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF) \ ! 582: { fprintf (FILE, "12(%%pc,%s.l", \ ! 583: reg_names[REGNO (breg)]); \ ! 584: putc (')', FILE); \ ! 585: break; } \ ! 586: if (ireg != 0 || breg != 0) \ ! 587: { int scale = 1; \ ! 588: if (breg == 0) \ ! 589: abort (); \ ! 590: if (addr != 0) \ ! 591: output_addr_const (FILE, addr); \ ! 592: fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \ ! 593: if (ireg != 0) \ ! 594: putc (',', FILE); \ ! 595: if (ireg != 0 && GET_CODE (ireg) == MULT) \ ! 596: { scale = INTVAL (XEXP (ireg, 1)); \ ! 597: ireg = XEXP (ireg, 0); } \ ! 598: if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \ ! 599: fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \ ! 600: else if (ireg != 0) \ ! 601: fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \ ! 602: if (scale != 1) fprintf (FILE, "*%d", scale); \ ! 603: putc (')', FILE); \ ! 604: break; \ ! 605: } \ ! 606: else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \ ! 607: { fprintf (FILE, "12(%%pc,%s.w)", \ ! 608: reg_names[REGNO (reg1)]); \ ! 609: break; } \ ! 610: default: \ ! 611: if (GET_CODE (addr) == CONST_INT \ ! 612: && INTVAL (addr) < 0x8000 \ ! 613: && INTVAL (addr) >= -0x8000) \ ! 614: fprintf (FILE, "%d", INTVAL (addr)); \ ! 615: else \ ! 616: output_addr_const (FILE, addr); \ ! 617: }} ! 618: ! 619: /* This is how to store into the string LABEL ! 620: the symbol_ref name of an internal numbered label where ! 621: PREFIX is the class of label and NUM is the number within the class. ! 622: This is suitable for output with `assemble_name'. */ ! 623: ! 624: #undef ASM_GENERATE_INTERNAL_LABEL ! 625: #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \ ! 626: sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM)) ! 627: ! 628: /* This is how to output an internal numbered label where ! 629: PREFIX is the class of label and NUM is the number within the class. */ ! 630: ! 631: #undef ASM_OUTPUT_INTERNAL_LABEL ! 632: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ ! 633: fprintf (FILE, "%s%%%d:\n", PREFIX, NUM) ! 634: ! 635: /* This is how to output a reference to a user-level label named NAME. ! 636: `assemble_name' uses this. */ ! 637: ! 638: #undef ASM_OUTPUT_LABELREF ! 639: #define ASM_OUTPUT_LABELREF(FILE,NAME) \ ! 640: fprintf (FILE, "%s", NAME) ! 641: ! 642: /* This is how to output an element of a case-vector that is absolute. ! 643: (The 68000 does not use such vectors, ! 644: but we must define this macro anyway.) */ ! 645: ! 646: #undef ASM_OUTPUT_ADDR_VEC_ELT ! 647: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ ! 648: fprintf (FILE, "\tlong L%%%d\n", (VALUE)) ! 649: ! 650: /* This is how to output an element of a case-vector that is relative. */ ! 651: ! 652: #undef ASM_OUTPUT_ADDR_DIFF_ELT ! 653: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \ ! 654: fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL)) ! 655: ! 656: #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \ ! 657: fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \ ! 658: XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)) ! 659: ! 660: #if 0 ! 661: /* At end of a switch table, define LD%n iff the symbol LI%n was defined. */ ! 662: #define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \ ! 663: { if (switch_table_difference_label_flag) \ ! 664: asm_fprintf (FILE, "\t%s %LLD%d,%LL%d-%LLI%d-2.b\n",\ ! 665: SET_ASM_OP, (NUM), (NUM), (NUM)) \ ! 666: switch_table_difference_label_flag = 0; } ! 667: #endif ! 668: ! 669: /* We have to define this to avoid errors. */ ! 670: int switch_table_difference_label_flag; ! 671: ! 672: /* Translate some opcodes to fit the sysV68 assembler syntax. */ ! 673: /* The opcodes fdmov and fsmov are guesses. */ ! 674: ! 675: #define SWITCH_JUMP_MATCH "jmp 6(%%pc," ! 676: ! 677: #undef ASM_OUTPUT_OPCODE ! 678: #define ASM_OUTPUT_OPCODE(FILE, PTR) \ ! 679: { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \ ! 680: { ++(PTR); \ ! 681: while (*(PTR) != ' ') \ ! 682: { putc (*(PTR), (FILE)); ++(PTR); } \ ! 683: fprintf ((FILE), ".w"); } \ ! 684: else if ((PTR)[0] == 's') \ ! 685: { \ ! 686: if (!strncmp ((PTR), "swap", 4)) \ ! 687: { fprintf ((FILE), "swap.w"); (PTR) += 4; } \ ! 688: } \ ! 689: else if ((PTR)[0] == 'f') \ ! 690: { \ ! 691: if (!strncmp ((PTR), "fmove", 5)) \ ! 692: { fprintf ((FILE), "fmov"); (PTR) += 5; } \ ! 693: else if (!strncmp ((PTR), "f%$move", 7)) \ ! 694: { if (TARGET_68040_ONLY) \ ! 695: { fprintf ((FILE), "fsmov"); (PTR) += 7; } \ ! 696: else \ ! 697: { fprintf ((FILE), "fmov"); (PTR) += 7; } } \ ! 698: else if (!strncmp ((PTR), "f%&move", 7)) \ ! 699: { if (TARGET_68040_ONLY) \ ! 700: { fprintf ((FILE), "fdmov"); (PTR) += 7; } \ ! 701: else \ ! 702: { fprintf ((FILE), "fmov"); (PTR) += 7; } } \ ! 703: else if (!strncmp ((PTR), "ftst", 4)) \ ! 704: { fprintf ((FILE), "ftest"); (PTR) += 4; } \ ! 705: else if (!strncmp ((PTR), "fbne", 4)) \ ! 706: { fprintf ((FILE), "fbneq"); (PTR) += 4; } \ ! 707: else if (!strncmp ((PTR), "fsne", 4)) \ ! 708: { fprintf ((FILE), "fsneq"); (PTR) += 4; } \ ! 709: } \ ! 710: /* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV */ \ ! 711: else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \ ! 712: && (PTR)[2] == 'v' && (PTR)[3] == 'e') \ ! 713: { fprintf ((FILE), "mov"); (PTR) += 4; \ ! 714: if ((PTR)[0] == 'q' || (PTR)[0] == 'a' \ ! 715: || (PTR)[0] == 'c') (PTR)++; } \ ! 716: /* SUB, SUBQ, SUBA, SUBI ==> SUB */ \ ! 717: else if ((PTR)[0] == 's' && (PTR)[1] == 'u' \ ! 718: && (PTR)[2] == 'b') \ ! 719: { fprintf ((FILE), "sub"); (PTR) += 3; \ ! 720: if ((PTR)[0] == 'q' || (PTR)[0] == 'i' \ ! 721: || (PTR)[0] == 'a') (PTR)++; } \ ! 722: /* CMP, CMPA, CMPI, CMPM ==> CMP */ \ ! 723: else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \ ! 724: && (PTR)[2] == 'p') \ ! 725: { fprintf ((FILE), "cmp"); (PTR) += 3; \ ! 726: if ((PTR)[0] == 'a' || (PTR)[0] == 'i' \ ! 727: || (PTR)[0] == 'm') (PTR)++; } \ ! 728: /* JMP to switch label */ \ ! 729: else if (!strncmp((PTR), (SWITCH_JUMP_MATCH), sizeof(SWITCH_JUMP_MATCH) - 1)) \ ! 730: { while (*(PTR)++ != '('); \ ! 731: fprintf ((FILE), "jmp 8("); } \ ! 732: } ! 733: ! 734: /* This says how to output an assembler line ! 735: to define a global common symbol. */ ! 736: ! 737: #undef ASM_OUTPUT_COMMON ! 738: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ ! 739: ( fputs ("\tcomm ", (FILE)), \ ! 740: assemble_name ((FILE), (NAME)), \ ! 741: fprintf ((FILE), ",%u\n", (ROUNDED))) ! 742: ! 743: /* This says how to output an assembler line ! 744: to define a local common symbol. */ ! 745: ! 746: #undef ASM_OUTPUT_LOCAL ! 747: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ ! 748: ( fputs ("\tlcomm ", (FILE)), \ ! 749: assemble_name ((FILE), (NAME)), \ ! 750: fprintf ((FILE), ",%u\n", (ROUNDED))) ! 751: ! 752: ! 753: /* Override usual definitions of SDB output macros. ! 754: These definitions differ only in the absence of the period ! 755: at the beginning of the name of the directive ! 756: and in the use of `~' as the symbol for the current location. */ ! 757: ! 758: #define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a)) ! 759: #define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a)) ! 760: #define PUT_SDB_VAL(a) \ ! 761: ( fputs ("\tval\t", asm_out_file), \ ! 762: output_addr_const (asm_out_file, (a)), \ ! 763: fputc (';', asm_out_file)) ! 764: ! 765: #define PUT_SDB_DEF(a) \ ! 766: do { fprintf (asm_out_file, "\tdef\t"); \ ! 767: ASM_OUTPUT_LABELREF (asm_out_file, a); \ ! 768: fprintf (asm_out_file, ";"); } while (0) ! 769: ! 770: #define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a) ! 771: #define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file) ! 772: #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a) ! 773: #define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a) ! 774: #define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t") ! 775: #define PUT_SDB_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a) ! 776: #define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a) ! 777: ! 778: #define PUT_SDB_TAG(a) \ ! 779: do { fprintf (asm_out_file, "\ttag\t"); \ ! 780: ASM_OUTPUT_LABELREF (asm_out_file, a); \ ! 781: fprintf (asm_out_file, ";"); } while (0) ! 782: ! 783: #define PUT_SDB_BLOCK_START(LINE) \ ! 784: fprintf (asm_out_file, \ ! 785: "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \ ! 786: (LINE)) ! 787: ! 788: #define PUT_SDB_BLOCK_END(LINE) \ ! 789: fprintf (asm_out_file, \ ! 790: "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \ ! 791: (LINE)) ! 792: ! 793: #define PUT_SDB_FUNCTION_START(LINE) \ ! 794: fprintf (asm_out_file, \ ! 795: "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \ ! 796: (LINE)) ! 797: ! 798: #define PUT_SDB_FUNCTION_END(LINE) \ ! 799: fprintf (asm_out_file, \ ! 800: "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \ ! 801: (LINE)) ! 802: ! 803: #define PUT_SDB_EPILOGUE_END(NAME) \ ! 804: fprintf (asm_out_file, \ ! 805: "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \ ! 806: (NAME)) ! 807: ! 808: #define SDB_GENERATE_FAKE(BUFFER, NUMBER) \ ! 809: sprintf ((BUFFER), "~%dfake", (NUMBER)); ! 810: ! 811: /* Define subroutines to call to handle multiply, divide, and remainder. ! 812: Use the subroutines that the 3b1's library provides. ! 813: The `*' prevents an underscore from being prepended by the compiler. */ ! 814: ! 815: #define DIVSI3_LIBCALL "*ldiv" ! 816: #define UDIVSI3_LIBCALL "*uldiv" ! 817: #define MODSI3_LIBCALL "*lrem" ! 818: #define UMODSI3_LIBCALL "*ulrem" ! 819: #define MULSI3_LIBCALL "*lmul" ! 820: #define UMULSI3_LIBCALL "*ulmul"
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